\begin{table}[p]\centering
\normalsize
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\captionsetup{justification=centering}
\caption{Scientific Studies on Menarche Age in India}
\label{table-literature-menarche}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}p{2cm}p{3.5cm}p{4cm}p{3cm}}
\toprule
Reference  & Sample & Geographic Location & \makecell[l]{Mean  \\Menarche Age}  \\
\midrule
\makecell[l]{Indian Council \\ of Medical \\ Research (1972)} & All India & India & 13.80 \vspace{4ex} \\ 

\makecell[l]{Satyanarayana \\ and Naidu \\ (1979)}& Girls aged 12-18 & \makecell[l]{Rural Hyderabad, \\ Andhra Pradesh}  & 14.60 \vspace{4ex} \\ 

\makecell[l]{Tyagi et al. \\ (1983)} & \makecell[l]{Girls aged 9-16, \\ Oraon and Munda \\ ethnic groups} & \makecell[l]{Villages in \\ Ranchi district, \\Jharkhand} & \makecell[l]{12.80 (Oraon),\\ 12.76 (Munda)} \vspace{4ex} \\

\makecell[l]{Chakravarty \\ (1994)} & \makecell[l]{Rajbanshi \\ ethnic group} & \makecell[l]{North Bengal, \\ West Bengal} & 14.70 \vspace{4ex}\\

\makecell[l]{Sharma et \\ al. (2005)}& \makecell[l]{Girls aged 9-15,\\ Brahmin and \\ Rajput castes} & \makecell[l]{Rural areas, \\ Jammu \& Kashmir} & \makecell[l]{13.857 (Brahmin),\\ 13.859 (Rajput)} \vspace{2.5ex} \\

\makecell[l]{Khatoon\\ (2011)} & \makecell[l]{Girls aged 10-19, \\ urban and rural \\ public schools} & \makecell[l]{Lucknow, \\Uttar Pradesh} & 12.43 \vspace{4ex} \\

Deb (2011) & Adolescent girls & \makecell[l]{East Khasi Hills, \\ Meghalaya} & 13.22 \\
\bottomrule
\end{tabular*}
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width=\hsize}
\caption*{\small  
\textit{Notes:} This table, adapted from Pathak, Tripathi, and Subramanian (2014), lists previous papers documenting the onset of menstruation among Indian girls and the mean menarche age found in the study.}
\end{table}
